#include <stdio.h>
typedef unsigned char *byte_pointer;
void show_bytes(byte_pointer start, int len)
{
	int i;
	for (i = 0; i<len; i++)
	{
		printf("%.2x", start[i]);
	}
	printf("\n");
}
void show_int(int x)
{
	show_bytes((byte_pointer)&x, sizeof(int));
}
void show_float(float x)
{
	show_bytes((byte_pointer)&x, sizeof(float));
}
void show_pointer(void *x)
{
	show_bytes((byte_pointer)&x, sizeof(void *));
}
void test_show_bytes(int val)
{
	int ival = val;
	float fval = (float)ival;
	int *pval = &ival;
	show_int(ival);
	show_float(fval);
	show_pointer(pval);
}
void main()
{
	int val;
	printf("please enter an int:\n");
	scanf_s("%d", &val);
	test_show_bytes(val);
	getchar();
	getchar();
	getchar();
}